/*清除边距*/
* {
    margin: 0;
    padding: 0;
}
/*更改默认值*/
html,
body {
    width: 100%;
    height: 100%;
}
li {
    list-style-type: none;
    color: rgb(255, 0, 0);
    text-align: center;
}
/*添加背景图片*/
.main {
    width: 100%;
    height: 100%;
    background: url("index.jpg") 100% 100% no-repeat;
    background-size: 100% 100%;
}
/*让输入框居中*/
.loginFrame {
    width: 700px;
    height: 450px;
    background: rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    /*添加边框圆角*/
    border-radius: 10px;
    /*添加边距挤下去*/
    padding: 50px 0;
    box-sizing: border-box;
    /*添加阴影*/
    box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.4);
}

/*改变盒子下方的输入框位置*/
.loginFrame form>div {
    width: 350px;
    height: 50px;
    margin: 40px auto;
    /*改变字体颜色*/
    color: white;
}

/*改变标题居中, 并且改颜色*/
.loginFrame>p {
    text-align: center;
    color: white;
    font-size: 25px;
}

/*改变输入框文字*/
.loginFrame form>div span {
    display: inline-block;
    cursor: pointer;
    font-size: 20px;
}
/*改变输入框样式*/
.loginFrame form>div input {
    width: 100%;
    height: 30px;
    /*透明色*/
    background: transparent;
    /*清除默认边框*/
    border: none;
    /*添加底部边框*/
    border-bottom: 1px solid white;
    /*清除蓝色点击框*/
    outline: none;
    /*改变文字颜色*/
    color: white;
}
.loginFrame form>div button {
    width: 100%;
    height: 30px;
    /*透明色*/
    background: transparent;
    /*清除默认边框*/
    border: none;
    /*清除蓝色点击框*/
    outline: none;
    /*改变文字颜色*/
    color: white;
    font-size: 20px;
    cursor: pointer;
}

/*改变点击登录按钮样式*/
.loginFrame .enterBut {
    width: 200px;
    height: 50px;
    /*添加圆角*/
    border-radius: 50px;
    /*设置背景颜色  渐变*/
    background-image: linear-gradient(to right, #273d12, #99113d);
    text-align: center;
    padding-top: 10px;
    box-sizing: border-box;
}

.main .loginFrame .sign-up {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 30px;
    color: white;
    font-size: 20px;
}

.main .loginFrame .sign-up a {
    font-size: 20px;
    color: #3498db;
    background: transparent;
    border: none;
    text-decoration: none;
    cursor: pointer;
}

/*给登录按钮添加 鼠标放上效果 */
.loginFrame .enterBut:hover {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5) inset;
}

/*给输入框提醒文字改变颜色*/
/*适配谷歌*/
input::-webkit-input-placeholder {
    color: #BDCADA;
}
svg {
    vertical-align: middle;
}